Merge branch 'linus' into x86/xen

[linux-2.6-omap-h63xx.git] / arch / sparc / kernel / entry.S

diff --git a/arch/sparc/kernel/entry.S b/arch/sparc/kernel/entry.S
index 55d3be1b5d818dcfd965d966e5f1563c3890f97a..e8cdf715a546ccb0af9b0802d249368470a5a119 100644 (file)
--- a/arch/sparc/kernel/entry.S
+++ b/arch/sparc/kernel/entry.S
@@ -19,6 +19,7 @@
 #include <asm/vaddrs.h>
 #include <asm/memreg.h>
 #include <asm/page.h>
+#include <asm/pgtable.h>
 #ifdef CONFIG_SUN4
 #include <asm/pgtsun4.h>
 #else
@@ -1195,8 +1196,9 @@ sys_rt_sigreturn:
        be      1f
         nop
 
+       add     %sp, STACKFRAME_SZ, %o0
        call    syscall_trace
-        nop
+        mov    1, %o1
 
 1:
        /* We are returning to a signal handler. */
@@ -1286,8 +1288,12 @@ linux_fast_syscall:
         mov    %i3, %o3
 
 linux_syscall_trace:
+       add     %sp, STACKFRAME_SZ, %o0
        call    syscall_trace
-        nop
+        mov    0, %o1
+       cmp     %o0, 0
+       bne     3f
+        mov    -ENOSYS, %o0
        mov     %i0, %o0
        mov     %i1, %o1
        mov     %i2, %o2
@@ -1336,6 +1342,7 @@ syscall_is_too_hard:
        call    %l7
         mov    %i5, %o5
 
+3:
        st      %o0, [%sp + STACKFRAME_SZ + PT_I0]
 
 ret_sys_call:
@@ -1373,6 +1380,8 @@ ret_sys_call:
         st     %l2, [%sp + STACKFRAME_SZ + PT_NPC]
 
 linux_syscall_trace2:
+       add     %sp, STACKFRAME_SZ, %o0
+       mov     1, %o1
        call    syscall_trace
         add    %l1, 0x4, %l2                   /* npc = npc+4 */
        st      %l1, [%sp + STACKFRAME_SZ + PT_PC]